Laura Mulvey's Male Gaze theory argues that women are often portrayed as passive sex objects in media for the pleasure of male audiences. Richard Dyer's Star Theory claims that celebrities are constructed by media institutions to appeal to audiences and make money. Tessa Perkins' theory challenges common assumptions about stereotypes, arguing that they are not always negative, about minorities, unchanging, or entirely false. Stereotypes can reflect cultural values and have origins in partial truths.